Sacha Feinberg-Mngomezulu (born 22 February 2002) is a South African professional rugby union player who plays for Western Province in the Currie Cup, the Stormers in the URC, and the national team.

Feinberg-Mngomezulu was named in the Western Province squad for the 2021 Currie Cup Premier Division.

[3] He made his debut for in Round 6 of the Currie Cup against the Free State Cheetahs.

[7] Feinberg-Mngomezulu was called up for the Springbok alignment camp in March 2024, and made his debut in the June 2024 test against Wales, coming on as a substitute, scoring one penalty and two conversions.

[8] Sacha scored 52 points and has 8 test caps for the Rugby World Cup winning team The Springboks.